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Related Concept Videos

Language and Cognition01:27

Language and Cognition

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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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The relationship between malocclusion and speech patterns: a cross-sectional study.

Nada E Tashkandi1, Razan AlDosary2, Hissah Zamandar3

  • 1Department of Preventive Dentistry, Riyadh Elm University, Riyadh, 12734, Saudi Arabia.

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Summary

Malocclusion, assessed by the Peer Assessment Rating (PAR) index, is linked to speech sound misarticulations in Arabic speakers. This highlights the importance of dental alignment for clear speech production.

Keywords:
Arabic lettersMalocclusionPAR IndexSpeech misarticulations

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Area of Science:

  • Dental occlusion and speech science
  • Linguistic phonetics and orthodontics

Background:

  • Dental occlusion and dentition alignment are critical for producing speech sounds.
  • The Arabic language presents unique phonetic complexities due to regional dialects.
  • Understanding the link between malocclusion and speech sound errors is essential for effective treatment.

Purpose of the Study:

  • To investigate the relationship between malocclusion and speech sound misarticulations in native Arabic speakers.
  • To identify specific Arabic sounds affected by malocclusion.

Main Methods:

  • A cross-sectional study involving 100 native Arabic speakers.
  • Malocclusion patterns were assessed using the Peer Assessment Rating (PAR) index.
  • Speech samples were evaluated by a speech therapist using the Jeddah Institute for Speech and Hearing Centre (JISH) articulation test.

Main Results:

  • Twenty-seven subjects (27%) exhibited improper sound articulation, primarily distortions (25) and substitutions (2).
  • A statistically significant association was found between higher PAR scores and misarticulations of the Arabic sounds /ص/, /ز/, and /س/.
  • No significant gender-based differences in misarticulations were observed.

Conclusions:

  • A partial association exists between malocclusion severity (PAR index scores) and speech sound abnormalities.
  • Collaboration between orthodontists and speech therapists is vital for comprehensive patient care, including pre- and post-treatment evaluations.
  • Addressing malocclusion may improve speech sound production in Arabic speakers.